221528104

素因数分解:

$2^3\times 7^1\times {\mathrm{3955859}}^1$

素因数の和:3955872

約数の個数: 16

約数和(自身を含む): 474703200

約数和(自身を除く): 253175096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3955859, 7911718, 15823436, 27691013, 31646872, 55382026, 110764052, 221528104]

約数ペア:

[(1, 221528104), (2, 110764052), (4, 55382026), (7, 31646872), (8, 27691013), (14, 15823436), (28, 7911718), (56, 3955859)]